"William Kamkwamba: How I built my family a windmill"
http://www.youtube.com/watch?v=G8yKFVPOD6o
At the TED 2007 conference, William Kamkwamba talks about how he built a windmill for his family.
This video is a collection of 12 rocket stove mass heaters. A rocket stove is more efficient, less polluting alternative to most traditional stoves found in developing communities. A rocket stove mass heater is the former with the addition of a longer exhaust system used to perform two functions: (1) to exhaust all the smoke from the stove fire and (2) to heat a thermal mass. Examples of 12 different thermal masses are illustrated in this video.
The pulser pump is about 20 years old (a river powered pump with no moving parts) and is simple appropriate technology
Brian White
BC
Canada
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